From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: [PATCH 3/7] drm/i915: Spin opportunistically in wait_for Date: Tue, 17 May 2016 18:43:24 +0300 Message-ID: <1463499808-3335-4-git-send-email-mika.kuoppala@intel.com> References: <1463499808-3335-1-git-send-email-mika.kuoppala@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 5AF2D6E68E for ; Tue, 17 May 2016 15:43:31 +0000 (UTC) In-Reply-To: <1463499808-3335-1-git-send-email-mika.kuoppala@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org VXN1YWxseSB0aGUgY29uZGl0aW9uIHdlIGFyZSBhZnRlciBhcHBlYXJzIHdpdGhpbiB2ZXJ5IHNo b3J0IHRpbWUuClNwaW4gZmV3IHRpbWVzIGJlZm9yZSBnb2luZyBpbnRvIHNsZWVwLiBXaXRoIHRo aXMgYXBwcm94aW1hdGVseQpoYWxmIG9mIHRoZSB3YWl0X2ZvciBpbiBpbml0IHBhdGggd2lsbCB0 YWtlIHRoZSBmYXN0IHBhdGggd2l0aG91dApzbGVlcGluZy4KClNpZ25lZC1vZmYtYnk6IE1pa2Eg S3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2Rydi5oIHwgMTQgKysrKysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMCBp bnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKaW5k ZXggNDg4MTQxOTI5YTdhLi5jMjI1NjA1YzcyN2MgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rydi5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5o CkBAIC0zOSw3ICszOSw3IEBACiAjaW5jbHVkZSA8ZHJtL2RybV9hdG9taWMuaD4KIAogLyoqCi0g KiBfd2FpdF9mb3JfbXMgLSBtYWdpYyAocmVnaXN0ZXIpIHdhaXQgbWFjcm8KKyAqIF9fd2FpdF9m b3JfbXMgLSBtYWdpYyAocmVnaXN0ZXIpIHdhaXQgbWFjcm8KICAqCiAgKiBEb2VzIHRoZSByaWdo dCB0aGluZyBmb3IgbW9kZXNldCBwYXRocyB3aGVuIHJ1biB1bmRlciBrZGdiIG9yIHNpbWlsYXIg YXRvbWljCiAgKiBjb250ZXh0cy4gTm90ZSB0aGF0IGl0J3MgaW1wb3J0YW50IHRoYXQgd2UgY2hl Y2sgdGhlIGNvbmRpdGlvbiBhZ2FpbiBhZnRlcgpAQCAtNTAsMTcgKzUwLDIyIEBACiAgKiBkcm1f Y2FuX3NsZWVwKCkgY2FuIGJlIHJlbW92ZWQgYW5kIGluX2F0b21pYygpLyFpbl9hdG9taWMoKSBh c3NlcnRzCiAgKiBhZGRlZC4KICAqLwotI2RlZmluZSBfd2FpdF9mb3JfbXMoQ09ORCwgVElNRU9V VF9NUywgU0xFRVBfVVMpICh7IFwKKyNkZWZpbmUgX193YWl0X2Zvcl9tcyhDT05ELCBUSU1FT1VU X01TLCBTTEVFUF9VUywgU1BJTl9DT1VOVCkgKHsJXAogCWNvbnN0IHVuc2lnbmVkIGxvbmcgdGlt ZW91dF9fID0JCQkJCVwKIAkJamlmZmllcyArIG1zZWNzX3RvX2ppZmZpZXMoVElNRU9VVF9NUykg KyAxOwkJXAorCXVuc2lnbmVkIGludCBjX18gPSAwOwkJCQkJCVwKIAlpbnQgcmV0X18gPSAwOwkJ CQkJCQlcCisJCQkJCQkJCQlcCiAJd2hpbGUgKCEoQ09ORCkpIHsJCQkJCQlcCiAJCWlmICh0aW1l X2FmdGVyKGppZmZpZXMsIHRpbWVvdXRfXykpIHsJCQlcCiAJCQlpZiAoIShDT05EKSkJCQkJCVwK IAkJCQlyZXRfXyA9IC1FVElNRURPVVQ7CQkJXAogCQkJYnJlYWs7CQkJCQkJXAogCQl9CQkJCQkJ CVwKLQkJaWYgKChTTEVFUF9VUykgJiYgZHJtX2Nhbl9zbGVlcCgpKSB7CQkJXAorCQkJCQkJCQkJ XAorCQlpZiAoKytjX18gPiAoU1BJTl9DT1VOVCkgJiYJCQkJXAorCQkgICAgKFNMRUVQX1VTKSAm JgkJCQkJXAorCQkgICAgZHJtX2Nhbl9zbGVlcCgpKSB7CQkJCQlcCiAJCQl1c2xlZXBfcmFuZ2Uo KFNMRUVQX1VTKSwgKFNMRUVQX1VTKSAqIDIpOwlcCiAJCX0gZWxzZSB7CQkJCQkJXAogCQkJY3B1 X3JlbGF4KCk7CQkJCQlcCkBAIC02OSw3ICs3NCw4IEBACiAJcmV0X187CQkJCQkJCQlcCiB9KQog Ci0jZGVmaW5lIHdhaXRfZm9yKENPTkQsIE1TKQkgX3dhaXRfZm9yX21zKChDT05EKSwgKE1TKSwg MSAqIFVTRUNfUEVSX01TRUMpCisjZGVmaW5lIHdhaXRfZm9yKENPTkQsIE1TKSAgX193YWl0X2Zv cl9tcygoQ09ORCksIChNUyksIDEgKiBVU0VDX1BFUl9NU0VDLCA1KQorI2RlZmluZSBfd2FpdF9m b3JfbXMoQ09ORCwgTVMsIFVTKSAgX193YWl0X2Zvcl9tcygoQ09ORCksIChNUyksIChVUyksIDUp CiAKIC8qIElmIENPTkZJR19QUkVFTVBUX0NPVU5UIGlzIGRpc2FibGVkLCBpbl9hdG9taWMoKSBh bHdheXMgcmVwb3J0cyBmYWxzZS4gKi8KICNpZiBkZWZpbmVkKENPTkZJR19EUk1fSTkxNV9ERUJV RykgJiYgZGVmaW5lZChDT05GSUdfUFJFRU1QVF9DT1VOVCkKLS0gCjIuNS4wCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK